Browsing through social media, or to be specific, football social media, it is clear that there is no rivalry even close to the one between Rangers and Celtic in the Old Firm. Man Utd and Liverpool hate each other, as do Arsenal and Tottenham Hotspur, but you never see them creating elaborate spreadsheets that prove there is a conspiracy or taking full page adverts out in foreign newspapers. The latest by a prominent blogger and podcaster, involves a “neutral” referee that finally, beyond all doubt, proves that the SFA are in cahoots with Rangers and are out to get Celtic – no, really – with t…